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Discussion Starter #1
351c 2brl 2brl heads long tube hdrs turbo mufflers on the car now. Would i pick up any hp if i went to a 4brl intake and carb, without changing the 2brl heads.:?:
 

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some, not much...I'd save for the Trick Flow heads, good luck
 

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Hello 73 CONV,
Just a little tip if you do swap out the intake -

Be certain to use the "valley pand/intake set for
the 4 barrell maniifold. If you use the valley pan
for the 2 barrell heads - -they will not line up and seat
correctly,
I hope this makes sense. You can get the intake set for
a 2 barrle or 4 barrell. You will need the 4 barrell set
even though the heads are 3 barrell. I did this swap and
like the extra pick-up

Print Dad
 
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